package com.javachamp.innerclasses;

public class OuterTest {

	public static void main(String args[]) {
		Airplane airplane = new Airplane(); //line 5
		Airplane.BlackBox box = airplane.new BlackBox(); // line 6
		box.printVariables();
	}
}

class Airplane {
	String code = "11";

	class BlackBox {
		String code = "22";

		public void printVariables() {
			System.out.print(code); // line 19
			System.out.print(Airplane.this.code); // line 20
		}
	}

}
                                                    